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NAGEEN PRAKASHAN-TRIGNOMETRIC FUNCTIONS-MISCELLANEOUS EXERCISE
- Solve: tan3theta+tantheta=0
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- 2cos(pi/13)cos(9pi/13)+cos(3pi/13)+cos(5pi/13)=0
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- (sin 3x + sin x) sin x + (cos 3x - cos x) cos x =0
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- (cosx+cosy)^(2)|(sinx-siny)^(2)=4cos^(2)(x+y)/(2)
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- (cosx-cosy)^(2)+(sinx-siny)^(2)=?
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- Prove that: s in" "x" "+" "s in" "3x" "+" "s in" "5x" "+" "s in" "7x" ...
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- Prove that: ((sin7x+sin5x)+(sin9x+sin3x))/((cos7x+cos5x)+(cos9x+cos3x)...
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- sin3x+sin2x-sinx=4sinxcos(x/2)cos(3x/2)
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- Find sinx/2,cosx/2and tanx/2of the following : tanx=-4/3,xin quadrant ...
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- cosx=-1/3, x in quadrant III. Find the values of other five trignometr...
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- sinx=1/4, x in quadrant II. Find the values of other five trignometric...
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